As my appion gently hums.

[Hash Man]

I am locating a leak in my bhogart. Its taken awhile but im almost there. Im using an air compressor to find the leak. After charging my compressor, i turn the engine off so i can hear the air leaks. The only sound i can hear is a gentle hum from my appion. When i close the valves on the appion the hum stops.

As i was testing i blew the metal washer out of my vapor filter and it seems like it fits better- there was a leak there and now there isnt.

Anyone know what that hum is?

 

[Rickys bong]

It's air flowing through the Appion. The inlet/exhaust valves hum slightly if there is gas flowing through the compressor without restriction. Basically the valves pop off their seat and re-seat due to spring pressure and make a bit of noise in the process. Very normal....

Although your leak may be downstream of the compressor. For your leak test setup, what's downstream of the compressor?

 

[Kcar]

Double check the filter/drier. The Catch-all brand will not work with the
appion without that copper crush washer. And the washer will leak if 'crushed' too
many times.

 

[nakadashi]

lol funny thread title, I have never known my appion to "gently hum" its usually a ferocious roar.

 

[Hash Man]

Haha. Its humming when its turned off and compressed air running through it to look for leaks. Im gonna go to airgas and look for a new washer for my vapor filter(which was crushed).

Probly time for a new manifold as well?

I have heard the appion hum when i blasted a can of tane through it to clean it, and then pulled a vacuum. Aside from then, this is the only time i have heard this sound.

Im gonna troubleshoot more now and will update later.

My compressor is plugged into the valve that i use to pull a vacuum on my bhogart, so i guess everything is downstream from the compressor. The reason i think the appion is leaking is because the slow leak stops when i close the appions red and blue valves off. I can hold consistant vacuum on my collection pot and extractor.

Compressor>extractor>appion>(solvent tank(valve closed for test))

 

[Rickys bong]

Does it still hum with the inlet pressurized and the outlet valve off?
In other words, close the outlet valve to isolate anything downstream. If it's leaking that much it's a big leak...

 

[Hash Man]

Its a big leak. I talked to appion and they told me what i need to order to fix it. He said my seals went dry. Luckily there was no residue inside the machine. I told them they should carry ptfe seals for replacements and they are too concerned about the liability to cater to our needs. I told him a reftec was in my future .

 

[Permacultuure]

You'd be surprised how easy it is to get viton seals for appions. Cheap too

 

[Gray Wolf]

You'd be surprised how easy it is to get viton seals for appions. Cheap too

Do you have a cheap source for the piston sleeve?

 

[HighStateToke]

You'd be surprised how easy it is to get viton seals for appions. Cheap too

Where can these be found?

 

[skootdogg]

Air Clean has a kit for under 100. 8663400321.

 

[Permacultuure]

Where can these be found?

Christopher Seals in Eugene, or.....

I have to use the sleeve from the repair kit but I just buy the promax kit for cheaper, if I'm lucky enough to find one

 

[gliders420]

Its a big leak. I talked to appion and they told me what i need to order to fix it. He said my seals went dry. Luckily there was no residue inside the machine. I told them they should carry ptfe seals for replacements and they are too concerned about the liability to cater to our needs. I told him a reftec was in my future .

seals went dry?
which seals? could you explain how that happened?